Designed for big sound in a small package. The SUMO headphones let you rock out anywhere from the subway to the studio.
SUMO FEATURES
Engineered to deliver the highest-quality listening experience from your mp3 player, cell phone, or other music device.
Built-in microphone for use with iPhone and other mobile phones.
Includes 4 different ear gel sizes
TECH SPECS
Driver Diameter:...

Designed for big sound in a small package. The SUMO headphones let you rock out anywhere from the subway to the studio.
SUMO FEATURES
Engineered to deliver the highest-quality listening experience from your mp3 player, cell phone, or other music device.
Built-in microphone for use with iPhone and other mobile phones.
Includes 4 different ear gel sizes
TECH SPECS
Driver Diameter:...